Rock Wool Insulation Batts 24-inch Wide from Japan
These rock wool batts, made from spun molten rock fibers, measure 24 inches (61 cm) in width and are designed for thermal and sound insulation in residential walls. They fall under HTS 6806.10.00.40 as slag wool, rock wool or similar mineral wools in batt form exceeding 61 cm in width, excluding those of headings 6811, 6812 or chapter 69. The loose fibrous structure provides excellent heat-insulating and sound-absorbing properties.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify product width exceeds 61 cm and confirm composition is primarily slag wool or rock wool via lab testing for customs compliance
• Provide manufacturer specs and safety data sheets (SDS) documenting non-asbestos content and R-value to prevent holds at entry